Update Dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.10-slim
+FROM python:3.12-slim
 
 # Set working dir
 WORKDIR /code
@@ -8,10 +8,13 @@ RUN apt-get update && apt-get install -y \
     build-essential \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements and install
+# Install Python dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Pre-download NLTK resources
+RUN python -m nltk.downloader punkt punkt_tab stopwords wordnet
+
 # Copy app
 COPY . .